mirror option does not work correctly

[thomasmey]

the mirror option does not work, it has those bugs:

1. To the mirror URL silently the path segment "/dist" is appended, this is bad and assumes that the mirror URL is under full control, but in case that the mirror URL mirrors "/dist" path directly the mirror option cannot be used anymore, e.g. https://mirror.example.com/node-dist/ will mirror https://nodejs.org/dist
2. When running in a self hosted action runner in private network without direct internet connectivity, the mirror option does not work. The getInfoFromManifest will timeout waiting for GitHub to not be reachable and the else branch for "Falling back to download directly from ' will never been reached.

Action version:
v4

Platform:

• Ubuntu
• macOS
• Windows

Runner type:

• Hosted
• Self-hosted

Tools version:

Repro steps:
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Expected behavior:
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Actual behavior:
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[aparnajyothi-y]

Hello @thomasmey, Thank you for creating this issue and we will look into it :)